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Section 3 Earthquake Hazards and Safety


Vocabulary


Liquefaction- when an earthquake's shaking turns loose, soft soil into mud
Aftershock- a smaller earthquake that happens after a larger one
Tsunamis- a large wave that is created when a earthquake happens on the sea-floor
Base-insulation Building- a building made to lessen the energy that gets to the house

Outline


Intoduction

  • newer buildings are deisgned to withstand the earthquake

How Earthquakes Cause Damage

  • local soil conditions
    • building on rock is safer
  • Liquefaction
  • Aftershock
  • Tsunamis

Making buildings safer

  • Choice of Location
    • don't build on steep slopes and filled land
  • Construction Methods
    • How a building is made shows if it will withstand an earthquake
    • Base insulated building

Protecting Yourself during an earthquake

  • protection against falling objects
    • Drop,Cover,Hold

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